. Author manuscript; available in PMC: 2017 Sep 1.

Published in final edited form as: Ann Biomed Eng. 2016 Feb 8;44(9):2695–2706. doi: 10.1007/s10439-016-1559-9

Table 1.

Comparison of EIS sensors with different numbers of electrodes. Maximum relative variability: standard deviation/mean.

Reference	Design	Sample condition	Input voltage (mV)	Sweeping frequency (Hz)	Impedance (Ω)	Maximum relative variability
Yu et al.³⁵	3-point	in vitro	10	0.1k–300k	20k–500k	~0.15
Streitner et al.²⁸	4-point	in vitro	10	1k, 10k, 100k	0.3k–1k	~0.25
Presented work	2-point	in vivo	50	1k–300k	4k–60k	~0.1